@@ -63,12 +63,12 @@
 
 	if (buffer[0] == 0x80) {
 		for (size_t i = 1; i < length; i++)
 			value = (value << 8) | buffer[i];
 	} else
-		value = [stringFromBuffer(buffer, length,
-		    OF_STRING_ENCODING_ASCII) octalValue];
+		value = stringFromBuffer(buffer, length,
+		    OF_STRING_ENCODING_ASCII).octalValue;
 
 	if (value > max)
 		@throw [OFOutOfRangeException exception];
 
 	return value;
@@ -108,11 +108,11 @@
 		    (of_time_interval_t)octalValueFromBuffer(
 		    header + 136, 12, UINTMAX_MAX)];
 		_type = header[156];
 
 		targetFileName = stringFromBuffer(header + 157, 100, encoding);
-		if ([targetFileName length] > 0)
+		if (targetFileName.length > 0)
 			_targetFileName = [targetFileName copy];
 
 		if (_type == '\0')
 			_type = OF_TAR_ARCHIVE_ENTRY_TYPE_FILE;
 
@@ -128,11 +128,11 @@
 			    header + 329, 8, UINT32_MAX);
 			_deviceMinor = (uint32_t)octalValueFromBuffer(
 			    header + 337, 8, UINT32_MAX);
 
 			prefix = stringFromBuffer(header + 345, 155, encoding);
-			if ([prefix length] > 0) {
+			if (prefix.length > 0) {
 				OFString *fileName = [OFString
 				    stringWithFormat: @"%@/%@",
 						      prefix, _fileName];
 				[_fileName release];
 				_fileName = [fileName copy];
@@ -278,13 +278,12 @@
 	     @"\tOwner = %@\n"
 	     @"\tGroup = %@\n"
 	     @"\tDevice major = %" PRIu32 @"\n"
 	     @"\tDevice minor = %" PRIu32 @"\n"
 	     @">",
-	    [self class], _fileName, _mode, _UID, _GID, _size,
-	    _modificationDate, _type, _targetFileName, _owner, _group,
-	    _deviceMajor, _deviceMinor];
+	    self.class, _fileName, _mode, _UID, _GID, _size, _modificationDate,
+	    _type, _targetFileName, _owner, _group, _deviceMajor, _deviceMinor];
 
 	[ret retain];
 
 	objc_autoreleasePoolPop(pool);
 
@@ -309,11 +308,11 @@
 	    [OFString stringWithFormat: @"%06" PRIo16 " ", _GID], 8,
 	    OF_STRING_ENCODING_ASCII);
 	stringToBuffer(buffer + 124,
 	    [OFString stringWithFormat: @"%011" PRIo64 " ", _size], 12,
 	    OF_STRING_ENCODING_ASCII);
-	modificationDate = [_modificationDate timeIntervalSince1970];
+	modificationDate = _modificationDate.timeIntervalSince1970;
 	stringToBuffer(buffer + 136,
 	    [OFString stringWithFormat: @"%011" PRIo64 " ", modificationDate],
 	    12, OF_STRING_ENCODING_ASCII);
 
 	/*